<template>
  <el-main>
    <!-- 查询表单 -->
    <el-form :model="searchModel" ref="searchForm" label-width="80px" :inline="true" size="small">
      <el-form-item>
        <el-input v-model="searchModel.departmentName" placeholder="请输入部门名称"></el-input>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" @click="search()">查询</el-button>
        <el-button icon="el-icon-refresh-right" @click="resetValue()">重置</el-button>
        <el-button type="success" icon="el-icon-plus" @click="openAddWindow()" v-if="hasPermission('sys:department:add')">新增</el-button>
      </el-form-item>
    </el-form>
    <!-- 数据表格 -->
    <el-table
      :data="tableData"
      style="width: 100%;margin-bottom: 20px;"
      row-key="id"
      border
      stripe
      default-expand-all
      :tree-props="{children: 'children'}">
      <el-table-column prop="departmentName" label="部门名称" />
      <el-table-column prop="parentName" label="所属部门" />
      <el-table-column prop="phone" label="部门电话" />
      <el-table-column prop="address" label="部门地址" />
      <el-table-column label="操作" width="200" align="center">
        <template slot-scope="scope">
          <el-button
            icon="el-icon-edit-outline"
            type="primary"
            size="small"
            @click="handleEdit(scope.row)"
            v-if="hasPermission('sys:department:edit')">编辑</el-button>
          <el-button
            icon="el-icon-close"
            type="danger"
            size="small"
            @click="handleDelete(scope.row)"
            v-if="hasPermission('sys:department:delete')">删除</el-button>
        </template>
      </el-table-column>
    </el-table>
    <!-- 添加和编辑部门窗口 -->
    <system-dialog
      :title="deptDialog.title"
      :visible="deptDialog.visible"
      :width="deptDialog.width"
      :height="deptDialog.height"
      @onClose="onClose"
      @onConfirm="onConfirm"
    >
      <div slot="content">
        <el-form
          :model="dept"
          ref="deptForm"
          :rules="rules"
          label-width="80px"
          :inline="true"
          size="small"
        >
          <el-form-item label="所属部门" prop="parentName">
          <el-input v-model="dept.parentName" :readonly="true" @click.native="openSelectDeptWindow()"></el-input>
          </el-form-item>
          <el-form-item label="部门名称" prop="departmentName">
          <el-input v-model="dept.departmentName"></el-input>
          </el-form-item>
          <el-form-item label="部门电话">
          <el-input v-model="dept.phone"></el-input>
          </el-form-item>
          <el-form-item label="部门地址">
          <el-input v-model="dept.address"></el-input>
          </el-form-item>
          <el-form-item label="序号">
          <el-input v-model="dept.orderNum"></el-input>
          </el-form-item>
        </el-form>
      </div>
    </system-dialog>
    <!-- 选择所属部门窗口 -->
    <system-dialog
      :title="parentDialog.title"
      :visible="parentDialog.visible"
      :width="parentDialog.width"
      :height="parentDialog.height"
      @onClose="onParentClose"
      @onConfirm="onParentConfirm"
    >
      <div slot="content">
        <el-tree 
          ref="parentTree"
          :data="treeList"
          node-key="id"
          :props="defaultProps"
          :default-expand-all="true"
          :highlight-curren="true"
          :expend-on-click-node="false"
          @node-click="handleNodeClick"
        >
          <div class="customer-tree-node" slot-scope="{node,data}">
            <span v-if="data.children.length === 0">
              <i class="el-icon-document"></i>
            </span>
            <span v-else @click="openBtn(data)">
              <svg-icon v-if="data.open" icon-class="sub-s"/>
              <svg-icon v-else icon-class="add-s"/>
            </span>
            <span style="margin-left: 5px">{{ node.label }}</span>
          </div>
        </el-tree>
      </div>
    </system-dialog>
  </el-main>
</template>

<script>
// 导入api脚本
import departmentApi from "@/api/department.js";
//导入对话框组件
import SystemDialog from "@/components/system/SystemDialog.vue";

export default {
  name: 'department',
  //注册组件
  components:{
    SystemDialog,
  },
  data() {
    return {
      //部门窗口属性
      deptDialog:{
        title:"",
        visible:false,//是否显示
        width: 560,
        height: 170,
      },
      //部门对象
      dept:{
        id:"",
        pid:"",
        parentName:"",
        departmentName:"",
        address:"",
        phone:"",
        orderNum:"",
      },
      //表单验证规则
      rules:{
        parentName:[{required:true, trigger:"change", message:"请选择所属部门"}],
        departmentName:[{required:true, trigger:"blur", message:"请输入部门名称"}],
      },
      searchModel: {
        departmentName:"",//部门名称
      },
      tableData: [],//表格数据
      //选择所属部门窗口属性
      parentDialog:{
        title:"选择所属部门",
        visible:false,//是否显示
        width: 300,
        height: 400,
      },
      treeList:[],//部门树列表数据
      defaultProps: {
        children: 'children',
        label: 'departmentName'
      },
    };
  },
  methods:{
    /**
     * 查询部门列表
     */
    async search(){
      //发送查询请求
      let res = await departmentApi.getDepartmentList(this.searchModel);
      //判断是否存在数据
      if (res.success) {
        this.tableData = res.data;
      }
    },
    /**
     * 重置查询条件
     */
    resetValue(){
      this.searchModel = {};//清空数据
      this.search();//重新调用方法
    },
    /**
     * 弹窗取消事件
     */
    onClose(){
      //关闭窗口
      this.deptDialog.visible = false;
    },
    /**
     * 弹窗确认事件
     */
    onConfirm(){
      //表单验证
      this.$refs.deptForm.validate(async (valid)=>{
        if(valid){
          let res = null;
          //判断部门id是否有数据，部门id为空表示新增，否则就是修改
          if(this.dept.id === ''){
            res = await departmentApi.addDept(this.dept);
          }else{
            //发送修改请求
            res = await departmentApi.updateDept(this.dept);
          }
          if(res.success){ 
            this.$message.success(res.message);
            //刷新
            this.search();
            this.deptDialog.visible = false;
          }else{
            this.$message.error(res.message);
          }
        }
      });
    },
    /**
     * 打开添加部门窗口
     */
    openAddWindow(){
      //清空表单数据
      this.$resetForm("deptForm",this.dept);
      //设置窗口标题
      this.deptDialog.title = "新增部门";
      //显示添加部门窗口
      this.deptDialog.visible = true;
    },
    /**
     * 打开选择所属部门窗口
     */
    async openSelectDeptWindow(){
      this.parentDialog.visible  = true;
      this.parentDialog.title = "选择所属部门";
      let res = await departmentApi.getParentTreeList();
      if(res.success){
        this.treeList = res.data;
      }
    },
    /**
     * 选择所属部门窗口取消事件
     */
    onParentClose(){
      this.parentDialog.visible = false;
    },
    /**
     * 选择所属部门确认事件
     */
    onParentConfirm(){
      this.parentDialog.visible = false;
    },
    /**
     * 树节点点击事件
     * @param data 
     */
    handleNodeClick(data){
      //当点击树节点时，赋予选中的值
      this.dept.pid = data.id;
      this.dept.parentName = data.departmentName;
    },
    /**
     * 点击树节点+-号折叠展开事件
     * @param data 
     */
    openBtn(data){
      //修改折叠展开状态
      data.open = !data.open;
      this.$refs.parentTree.store.nodesMap[data.id].expanded = !data.open;
    },
    /**
     * 编辑部门
     * @param row 
     */
    handleEdit(row){
      //数据回显
      this.$objCopy(row,this.dept);
      this.deptDialog.title = "编辑部门";
      this.deptDialog.visible = true;
    },
    /**
     * 删除部门
     * @param row 
     */
    async handleDelete(row){
      let res = await departmentApi.checkDepartment({id:row.id});
      if(!res.success){
        //给出警告提示
        this.$message.warning(res.message);
      }else{
        //确认是否删除
        let confirm = await this.$myconfirm("确定要删除该数据吗？");
        if(confirm){
          //发送删除请求
          let result = await departmentApi.deleteById({id:row.id});
          if(result.success){
            this.$message.success(result.message);
            this.search();
          }else{
            this.$message.error(result.message);
          }
        }
      }
    },
  },
  /**
   * 初始化时执行
   */
  created(){
    this.search();
  }
}
</script>

<style lang="scss" scoped>
::v-deep .el-tree {
  .el-tree-node {
    position: relative;
    padding-left: 10px;
  }
  .el-tree-node__children {
    padding-left: 20px;
  }
  .el-tree-node :last-child:before {
    height: 40px;
  }
  .el-tree > .el-tree-node:before {
    border-left: none;
  }
  .el-tree > .el-tree-node:after {
    border-top: none;
  }
  .el-tree-node:before,
  .el-tree-node:after {
    content: "";
    left: -4px;
    position: absolute;
    right: auto;
    border-width: 1px;
  }
  .tree :first-child .el-tree-node:before {
    border-left: none;
  }
  .el-tree-node:before {
    border-left: 1px dotted #d9d9d9;
    bottom: 0px;
    height: 100%;
    top: -25px;
    width: 1px;
  }
  .el-tree-node:after {
    border-top: 1px dotted #d9d9d9;
    height: 20px;
    top: 14px;
    width: 24px;
  }
  .el-tree-node__expand-icon.is-leaf {
    width: 8px;
  }
  .el-tree-node__content > .el-tree-node__expand-icon {
    display: none;
  }
  .el-tree-node__content {
    line-height: 30px;
    height: 30px;
    padding-left: 10px !important;
  }
}
::v-deep .el-tree > div {
  &::before {
      display: none;
  }
  &::after {
      display: none;
  }
}
</style>